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World's largest telescope continues taking shape on Chilean mountain (photos) https://t.co/bTUysUxwhr https://t.co/YeUjG4Ewrq
メニューを開くWorld's largest telescope continues taking shape on Chilean mountain (photos) https://t.co/bTUysUxwhr https://t.co/YeUjG4Ewrq
メニューを開く